GREEN JEN. (2019). THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE (2014 Ed.). RAINTREE PUBLISHERS.
Chicago Style (17th ed.) CitationGREEN JEN. THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE. 2014 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.
ציטוט MLAGREEN JEN. THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE. 2014 Ed. RAINTREE PUBLISHERS, 2019.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.